[특허]Method for the degradation of harmful substances in water by means of hydrogen peroxide under UV irradiation

Method for the degradation of harmful substances in water by means of hydrogen peroxide under UV irradiation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C02F-001/30 C02F-001/72
출원번호	US-0979538 (1992-11-20)
우선권정보	DE-4138421 (1991-11-22); JP-0307351 (1991-11-22)
발명자 / 주소	Schulte Peter (Alzenau-Hoerstein DEX) Volkmer Michael (Hanau DEX) Kuhn Frank (Gelhausen DEX)
출원인 / 주소	Degussa Aktiengesellschaft (Frankfurt am Main DEX 03)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

The degradation of harmful substances in water by compounds, such as hydrogen peroxide, which form hydroxyl radicals under UV irradiation in continuous reactors is improved when the irradiation is carried out in a reactor with a specific reactor volume of at least 10 liters per kW of the UV radiator or radiators, and if the amount of water to be treated is 0.25 to 25 times the amount of the intrinsic volume of the reactor flows through the reactor per hour. It is particularly preferred that the water volume per hour to be treated is 0.25 to 10 times the intrinsic reactor volume.

대표청구항 ▼

A method for degradation of a harmful substance in water, comprising: adding a sufficient quantity of hydrogen peroxide to the water, wherein the hydrogen peroxide provides a source of hydroxyl radicals, so as to achieve a desired degree of degradation of the harmful substance contained in the water; passing the water and hydrogen peroxide through a reaction zone; irradiating the water and hydrogen peroxide in the reaction zone with ultraviolet radiation from at least one ultraviolet radiator, such that the hydrogen peroxide forms hydroxyl radicals which oxidize the harmful substance in the water, and wherein a ratio of the non-irradiated volume to the irradiated volume, as determined at a wavelength of 265 nm, is greater than 2; wherein the reaction zone has a specific volume of at least 40 liters per kilowatt of electric power of the at least one ultraviolet radiator, and wherein an amount of water treated per hour is equivalent to 0.5 to 5 times an intrinsic volume of the reaction zone.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Method for the degradation of harmful substances in water by means of hydrogen peroxide under UV irradiation 원문보기

초록 ▼

대표청구항 ▼

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Method for the degradation of harmful substances in water by means of hydrogen peroxide under UV irradiation 원문보기

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연구과제 타임라인

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